Страница 39, ГДЗ по математике за 4 класс к самостоятельным и контрольным работам Лопатковой

\[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{1}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{8}}6 \\ \smash{\raisebox{0.62em}{$+$}} & 242819 \\ \hline & \textcolor{#e03131}{\mathbf{7}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{1}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{0}\kern-0.075em\mathbf{5}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{5}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{4}}06 \\ \smash{\raisebox{0.62em}{$-$}} & 16830 \\ \hline & \textcolor{#e03131}{\mathbf{3}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{7}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}0 \\ \smash{\raisebox{0.62em}{$-$}} & 54264 \\ \hline & \textcolor{#e03131}{\mathbf{6}\kern-0.075em\mathbf{4}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{7}\kern-0.075em\mathbf{3}\kern-0.075em\mathbf{6}\kern-0.075em} \end{array} \qquad \begin{array}{cr} & \vphantom{\overset{\bullet}{0}}169\overset{\textcolor{#1c7ed6}{\bullet}}{\textcolor{#1c7ed6}{0}}2 \\ \smash{\raisebox{0.62em}{$+$}} & 3058 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{9}\kern-0.075em\mathbf{6}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]

\[\begin{aligned} x \cdot 3 &= 375 - 225 & \qquad 420 : c &= 12 \cdot 5 \\ x \cdot 3 &= \textcolor{#e03131}{\mathbf{150}} & \qquad 420 : c &= \textcolor{#e03131}{\mathbf{60}} \\ x &= 150 : 3 & \qquad c &= 420 : 60 \\ x &= \textcolor{#e03131}{\mathbf{50}} & \qquad c &= \textcolor{#e03131}{\mathbf{7}} \\ \text{Проверка: }50 \cdot 3 &= 375 - 225 & \qquad \text{Проверка: }420 : 7 &= 12 \cdot 5 \\ \textcolor{#e03131}{\mathbf{150}} &= \textcolor{#e03131}{\mathbf{150}} & \qquad \textcolor{#e03131}{\mathbf{60}} &= \textcolor{#e03131}{\mathbf{60}} \end{aligned}\] \[\begin{array}{cr} & \vphantom{\overset{\bullet}{0}}375 \\ \smash{\raisebox{0.62em}{$-$}} & 225 \\ \hline & \textcolor{#e03131}{\mathbf{1}\kern-0.075em\mathbf{5}\kern-0.075em\mathbf{0}\kern-0.075em} \end{array}\]

\[\begin{aligned} & \boxed{60\,875} \xrightarrow{-44\,986} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{15\,889}}}}} \xrightarrow{-7\,666} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{8\,223}}}}} \xrightarrow{+3\,549} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{11\,772}}}}} \\[0.6em] & \xrightarrow{-5\,969} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{5\,803}}}}} \xrightarrow{+17\,281} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{23\,084}}}}} \xrightarrow{-20\,000} \boxed{\smash[b]{\underset{\hspace{4em}}{\textcolor{#e03131}{\mathbf{3\,084}}}}} \end{aligned}\]

\[\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\mathpunct{\textcolor{#e03131}{\mathbf{,}}}\ \boxed{\kern0.035em\textcolor{#e03131}{\mathbf{3}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{6}}\kern0.035em}\hspace{-0.04em}\boxed{\kern0.035em\textcolor{#e03131}{\mathbf{8}}\kern0.035em}\]